scope:

The following documents contain provisions which, through reference in this text, constitute provisions of the present document. - References are either specific (identified by date of publication and/or edition number or version number) or non-specific. - For a specific reference, subsequent revisions do not apply. - For a non-specific reference, the latest version applies. Referenced documents which are not found to be publicly available in the expected location might be found a http://docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. [1] ITU-R Recommendation M.1174-2: "Technical characteristics of equipment used for on-board vessel communications in the bands between 450 and 470 MHz". [2] ITU-T Recommendation O.41 (1994): "Psophometer for use on telephone-type circuits". [3] ISO 694: "Ships and marine technology - Positioning of magnetic compasses in ships". [4] ANSI C63.5 (2006): "American National Standard for Electromagnetic Compatibility - Radiated Emission Measurements in Electromagnetic Interference (EMI) Control - Calibration of Antennas (9 kHz to 40 GHz)". [5] ITU-R Recommendation SM.332-4: "Selectivity of receivers". [6] ITU Radio Regulations (2004).